6555878 has 8 divisors (see below), whose sum is σ = 11238672. Its totient is φ = 2809656.

The previous prime is 6555839. The next prime is 6555907. The reversal of 6555878 is 8785556.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234125 + ... + 234152.

It is an arithmetic number, because the mean of its divisors is an integer number (1404834).

Almost surely, 2^6555878 is an apocalyptic number.

6555878 is a deficient number, since it is larger than the sum of its proper divisors (4682794).

6555878 is a wasteful number, since it uses less digits than its factorization.

6555878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468286.

The product of its digits is 336000, while the sum is 44.

The square root of 6555878 is about 2560.4448832185. Note that the first 3 decimals coincide. The cubic root of 6555878 is about 187.1588153914.

The spelling of 6555878 in words is "six million, five hundred fifty-five thousand, eight hundred seventy-eight".